.... Zheng Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing, China Geotechnical Research Institute, Hohai University, Nanjing, China ABSTRACT: An experimental study is conducted on sandstone under different confining and pore pressures through...

...-structure parameter deformation Weibull distribution heterogeneity bearing capacity peak stress University Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00057-5 Discrete element analysis of the effect...

... Artificial Intelligence enn optimization algorithm neural network MPSO coal reservoir Particle Swarm Optimization rock classification evolutionary algorithm physical property feed-forward neural network output value University Rock Characterisation, Modelling and Engineering Design Methods...

... marble was carried out on css-283 universal testing machine. And 3D digital image correlation technique was used to measure the full-filed normal deformation of free surface of rock samples during the test process. It is shown that deformation characteristics of horizontal and vertical strain as well...

... bentonite University load ring deformation oedometer cell void ratio Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00057-5 Influence of boundary condition on the swelling behavior of GMZ01 buffer...

... University, Xi an, Shaanxi, China State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei, China L. Song, H.J. Liao & J.N. Ren Department of Civil Engineering, Xi an Jiaotong University, Xi an, Shaanxi, China ABSTRACT...

... structure coalbed methane stress feature Strata Behavior shallow-buried coal seam mining Structure Feature metals & mining complex reservoir bearing structure coal seam coal seam mining seam mining University coal bed methane Upstream Oil & Gas hydraulic support strata stress...

... responsibility methane clean energy system prognosis utilization University sustainability geothermal energy assessment energy system conversion identification hydrogen renewable energy Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor...

... ABSTRACT Perhaps the most important mechanical property of rock is its compressive strength. Strength criteria such as the Coulomb, Mohr, or Hoek-Brown, are strictly correct only when the intermediate and least principal stresses are equal (σ 2 = σ 3 ). At the University of Wisconsin we...

... ga-gpc model generalization optimal hyperparameter University classification covariance function genetic algorithm probability rock classification Engineering conjugate gradient algorithm algorithm tunnel mechanics Research Method hyperparameter Gaussian process ISRM-Sponsored...

... coalbed methane explosion strike direction metals & mining complex reservoir top coal coal bed methane Upstream Oil & Gas coal seam coal mass pillar coal seam gas injection seam shot hole mined-out area segment pre-blasting sublevel complexity University mechanics...

... in the 2008 Wenchuan Earthquake, Sichuan, China Changgen Yan 1, 2 , Masakatsu Miyajima 1 , Masaru Kitaura 1 , Akira Murata 1 , Toshikazu 1 1) Laboratory of Earthquake Engineering, Kanazawa University, Kanazawa, Japan 2) Highway College,Chang an University,Xi an,China ABSTRACT Seismic intensity around...

... displacement shotcrete utilization loading Upstream Oil & Gas shotcrete lining tunnel shotcrete stress distribution strength measurement Point boundary shotcrete shell deformation force equilibrium calculation lining monitoring point tangential displacement University...

... obtained recently in China University of Mining and Technology in Beijing. The basic performance of strain rockburst conducted under the true triaxial rockburst test system includes the characteristics of acoustic emission time-frequency transform and strain rockburst fragments fractal dimension to compare...

... Engineering, Northeastern University, Shenyang, China. ABSTRACT ABSTRACT: Numerical analysis provides a useful tool to enhance the understanding of block rock masses. The stability of rock blocks of tunnel or underground opening are commonly analyzed based on rigid body limit equilibrium theory only...

... strain increment expression equation stress space University ISRM-Sponsored International Symposium on Rock Mechanics: Rock Characterisation, Modelling and Engineering Design Methods 1 1 INTRODUCTION The existing constitutive models that can indicate the strain softening effect are mostly based...